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Calcium Disorders

Quiz by Heather Powell

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21 questions
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  • Q1
    Which of the following is NOT a response to increased PTH in hypocalcemia?
    increased renal tubular calcium reabsorption
    bone calcium release
    increased renal 1,25(OH)2D production
    calcitonin secretion
    30s
  • Q2
    Which of the following is the most common cause of hypercalcemia?
    Primary hyperparathyroidism
    Malignancy
    Immobilization
    Paget's disease
    30s
  • Q3
    True or False: Both thiazide and loop diuretics are known to cause hypercalcemia?
    False
    True
    30s
  • Q4
    Which of the following mechanisms is NOT induced by lithium to cause hypercalcemia?
    Increased 1,25(OH)2D production
    Increased bone resorption
    Renal tubular calcium reabsorption
    Increased GI absorption
    30s
  • Q5
    After treating the underlying cause, what is the most appropriate treatment option for a hypovolemic patient with no comorbidities and corrected calcium > 12 mg/dL?
    Calcitonin
    0.9% Sodium Chloride
    Furosemide
    Denosumab
    30s
  • Q6
    In which of the following patients is volume expansion with LR appropriate to use for hypercalcemia treatment?
    Severe liver disease
    Mild Euvolemic Hypernatremia
    Renal insufficiency
    CHF
    30s
  • Q7
    True or False: Loop diuretics in hypercalcemia treatment results in increased urinary calcium excretion and prevention of fluid overload from saline administration.
    False
    True
    30s
  • Q8
    Bumex 2 mg PO = Lasix __________ mg IV
    10
    40
    20
    2
    30s
  • Q9
    Which of the following loop diuretics may be used in a patient with a true, severe anaphylactic reaction to sulfa from other loop diuretics?
    Ethacrynic acid
    Bumetanide
    Furosemide
    Torsemide
    30s
  • Q10
    True or False: Calcitonin must be added to glucocorticoids to prevent tachyphylaxis of the steroids.
    True
    False
    30s
  • Q11
    A patient presents with corrected calcium of 13 mg/dL (symptomatic) and ESRD. What is the most appropriate pharmacologic treatment for this patient initially?
    Calcitonin
    NS
    Furosemide
    Denosumab
    30s
  • Q12
    Hydrocortisone 60 mg = Prednisone _________ mg
    12
    15
    20
    60
    30s
  • Q13
    Which of the following agents is first-line for hypercalcemia of malignancy if CrCl > 35 ml/min?
    Denosumab
    Calcitonin
    Glucocorticoids
    Zoledronic acid
    30s
  • Q14
    True or False: Cincalcet treats hypercalcemia by increasing the sensitivity of ionized calcium on the parathyroid gland thus increasing PTH to decrease calcium
    True
    False
    30s
  • Q15
    Which of the following deficiencies would NOT necessarily need to be repleted prior to supplementing calcium for maximum efficacy?
    Magnesium
    PTH
    Vitamin D
    Potassium
    30s

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